Self-importance(n.) An exaggerated estimate of one's own importance or merit, esp. as manifested by the conduct or manners; self-conceit.
Thesaurus Entries
accent, amour-propre, arrogance, assurance, assuredness, autoeroticism, belief, certitude, cocksureness, complacency, concern, concernment, confidence, confidentness, consequence, consequentiality, consideration, conviction, courage, ego trip, egoism, egotism, emphasis, excellence, faith, grandiloquence, high order, high rank, hubris, import, importance, inflation, interest, mark, materiality, merit, moment, narcism, narcissism, note, orotundity, overconfidence, overproudness, oversureness, overweening, overweening pride, overweeningness, paramountcy, poise, pomposity, pompousness, pontificality, pontification, positiveness, precedence, preeminence, pride, primacy, priority, security, self-admiration, self-approbation, self-assurance, self-complacency, self-confidence, self-congratulation, self-consequence, self-content, self-delight, self-endearment, self-esteem, self-gratulation, self-infatuation, self-love, self-reliance, self-respect, self-satisfaction, self-sufficiency, self-worship, settled belief, significance, smugness, stress, stuffiness, subjective certainty, superiority, supremacy, sureness, surety, trust, turgidity, vaingloriousness, vainglory, vainness, value, vanity, weight, worth